package com.zxx.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

//sqlSessionFactory -->sqlSession
public class MybatisUtils {
    private static  SqlSession sqlSession;
    private static SqlSessionFactory sqlSessionFactory;

    static {
        try {
            //获取sqlSessionFactory对象
            InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(is);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static SqlSession getSqlSession(){
         return sqlSessionFactory.openSession();
    }

    public  static void closeSqlSession(){
        if(sqlSession !=null)
            sqlSession.close();
    }

}
